If you've encountered a problem while playing Pokémon Go, read on to find out how to fix the most common complaints. If we don't currently have a solution to your Pokémon Go problem, then let us know in the comments below and we'll get you back out there, catching 'em all, in no time.
How to Fix Pokemon Go Game Crashing After Jailbreak iOS 9.2 - 9.3.3
Step 3: Press Add Source and wait until Cydia adds the new repository. Once done, press Return to Cydia.
Step 4: Now, switch to the Search tab and search for ‘Masterball‘ package. Tap on it to open.
Step 5: The Masterball package fixes the startup crash in Pokemon Go and bypasses jailbreak detection. To install it, tap on Install in the top right corner of Cydia.
Step 6: Cydia will start the installation and after it finishes, press respring to restart your device.
By installing this package, you can now bypass jailbreak detection in Pokemon Go and play it without any issues. Go on and enjoy catching Pokemons in the real world and rule your local gym without facing any crash issues.